2025987780 has 48 divisors (see below), whose sum is σ = 5688627840. Its totient is φ = 538752768.

The previous prime is 2025987773. The next prime is 2025987791. The reversal of 2025987780 is 877895202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25489 + ... + 68568.

It is an arithmetic number, because the mean of its divisors is an integer number (118513080).

Almost surely, 2^2025987780 is an apocalyptic number.

2025987780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2025987780 is an abundant number, since it is smaller than the sum of its proper divisors (3662640060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2025987780 is a wasteful number, since it uses less digits than its factorization.

2025987780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94428 (or 94426 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 2025987780 is about 45010.9739952381. The cubic root of 2025987780 is about 1265.3546746170.

The spelling of 2025987780 in words is "two billion, twenty-five million, nine hundred eighty-seven thousand, seven hundred eighty".